1.
Two poles are 25 m and 15 m high and the line joining their tops makes an angle of 45° with the horizontal. The distance between these poles is
2.
If the elevation of the Sun is 30 degrees then the length of the shadow cast by a tower of 150 feet height is
3.
A person standing on the bank of a river finds that the angle of elevation of the top of a tower on the opposite bank is 45°. Which of the following statements is correct?
4.
Length of the shadow of a person is x when the angle of elevation of the Sun is 45°. If the length of the shadow increases by (√3- 1)x, then the angle of elevation of the Sun should become
5.
At some time of the day, the length of the shadow of a tower is equal to its height. Then the Sun's altitude at that time is
6.
If at some time, the length of the shadow of a tower is √3 times its height, then the angle of elevation of the Sun, at that time, is
7.
The angle of elevation of the top of a tower from a point 20 metres away from its base is 45°. The height of the tower is
8.
A kite is flying at a height of 30 m from the ground. The length of string from the kite to the ground is 60 m. Assuming that here is no slack in the string, the angle of elevation of the kite at the ground is
9.
A portion of a 60 m long tree is broken by tornado and the top struck up the ground making an angle of 30° with the ground level. The height of the point where the tree is broken is equal to
10.
The angle of elevation of the Sun, if the length of the shadow of a tower of height 20 m is 20√3 m is
